ordinal number

noun

Definition of ordinal number 

1 : a number designating the place (such as first, second, or third) occupied by an item in an ordered sequence — see Table of Numbers

2 : a number assigned to an ordered set that designates both the order of its elements and its cardinal number

First Known Use of ordinal number

1607, in the meaning defined at sense 1

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Dictionary Entries near ordinal number

order up

ordinable

ordinal

ordinal number

ordinance

ordinand

ordinant

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Time Traveler for ordinal number

The first known use of ordinal number was in 1607

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More Definitions for ordinal number

ordinal number

noun

English Language Learners Definition of ordinal number

: a number (such as first, fifth, or 22nd) that is used to show the position of someone or something in a series

ordinal number

noun

Kids Definition of ordinal number

: a number that is used to show the place (as first, fifth, 22nd) taken by an element in a series

More from Merriam-Webster on ordinal number

Nglish: Translation of ordinal number for Spanish Speakers

Britannica.com: Encyclopedia article about ordinal number

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